Air compressor



FIG. 1 is a perspective view of a air compressor showing my new design;

FIG. 2 is a front elevation view thereof;

FIG. 3 is a rear elevation view thereof;

FIG. 4 is a left side elevation view thereof;

FIG. 5 is a right side elevation view thereof;

FIG. 6 is a top plan view thereof; and,

FIG. 7 is a bottom plan view thereof.

The broken lines in the Figures are for illustrative purposes only andform no part of the claimed design.

The ornamental design for an air compressor, as shown and described.